where, UsServiceFlowRef 1 and DsServiceFlowRef 101 are for Internet.
UsPacketClass and DsPacketClass whith UsServiceFlowRef 3 and DsServiceFlowRef 103 are for VoIP.
If you have any questions, write to me...

Yes, we use a dedicated platform based on asterisk. This is a Polish company manufacturing Adescom. http://www.adescom.pl/index.php?page=kontakt_eng They provide hardware, software and support.
What models do you use? What modem? Different modems, like: Arris (TM40xB, TM50xB, TM601B), Scientific Atlanta EPX2203 and Motorola SBV5121E. They all work seamlessly with our system. Please contact the Adescom, they will surely answer all your questions more accurately.
T.